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Hooi Ling Ho

Publications (9)

Aspergillus Xylanases

Hooi Ling Ho · Journal of Advances in Microbiology · 2017

There has been tremendous growth and development in the use of xylanase in the biotechnology industry. The market trends reveal that xylanase takes major position of share up to 20% of the world enzymes market along with cellulases and pectinases. In fact, xylanase has become one...

Open access Research Article 10.9734/JAMB/2017/33936

Kinetic Study of Cell Growth and Production of Amylase, Cellulase and Xylanase by Bacillus subtilis Using Barley Husk as the Prime Carbon Source

Hooi Ling Ho & Xin Ning Ku · Journal of Advances in Biology & Biotechnology · 2017

Kinetic Study of Cell Growth and Production of Amylase, Cellulase and Xylanase by Bacillus subtilis Using Barley Husk as the Prime Carbon Source  Bacillus spp have been widely adopted as one of the vital producers of the industrial enzymes including amylase, cellulase and xylanas...

Open access Research Article 10.9734/JABB/2017/33698

Overproduction of Xylanase from Mutants of Bacillus subtilis with Barley Husk as the Prime Carbon Source under Submerged Fermentation after Random Mutagenesis Using Ethyl Methane Sulfonate (EMS) and Acridine Orange (AO)

Hooi Ling Ho & Ajounmah Maryann Chinonso · Microbiology Research Journal International · 2016

Aims: Xylanase (EC 3.2.1.8) also known as endo-1,4-β-xylanohydrolase is a type of hydrolytic enzyme participated in the hydrolysis of hemicelluloses particularly in xylan to generate xylose and xylo-oligosaccharides. Due to its enormous potentials, xylanase is frequently used in...

Open access Research Article 10.9734/BMRJ/2016/22959

Detection and Analysis of the Random Mutagenesis Site(s) of Xylanase Gene from Mutants of Bacillus subtilis subsp. spizizenii ATCC 6633

Hooi Ling Ho & Ajounmah Maryann Chinonso · Biotechnology Journal International · 2016

Aims: A total of five mutant strains of Bacillus subtilis subsp. spizizenii ATCC 6633 designated as the MXB 1, MXB 2, MXB 3, MXB 4 and MXB 5 were developed using random mutagenesis of ethyl methane sulfonate (EMS) and acridine orange (AO) in our previous study. Based on our prese...

Open access Research Article 10.9734/BBJ/2016/23057

Strain Development of Aspergillus brasiliensis Using Physical and Chemicals Mutagenesis for Possible Overproduction of Xylanase, Amylase, Protease and Cellulase under Submerged Fermentation (SmF)

Hooi Ling Ho & Muna Hassan Abduljubar · Microbiology Research Journal International · 2016

Aims: Xylanase is commonly involved in the complete hydrolysis of xylan which consisted of hemicelluloses and celluloses as important components of plant cell wall. This enzyme is essential in wide range of applications in various industries along with other hydrolytic enzymes su...

Open access Research Article 10.9734/BMRJ/2016/22953

Production, Purification and Characterisation of a Purified Low Molecular Weight and Thermo-alkaline Tolerance Xylanase by Aspergillus brasiliensis

Hooi Ling Ho, Li Sha Soh & Soon Hwa Ong · Microbiology Research Journal International · 2015

Aims: Xylanase is an enzyme which has been used extensively in many different industrial processes. Xylanase also known as endo-1,4-β-xylanase is a glycosidase that catalyses the conversion of xylan to xylose through endohydrolysis of 1,4-β-D-xylosidic linkage which is commonly f...

Open access Research Article 10.9734/BMRJ/2016/20766

Optimised Production of Xylanase by Aspergillus brasiliensis under Submerged Fermentation (SmF) and Its Purification Using a Two-step Column Chromatography

Hooi Ling Ho & Zaki Iylia · Journal of Advances in Biology & Biotechnology · 2015

Aims: Carbon and nitrogen source play a significant role in microorganisms growth especially for the production of enzymes. Expensive medium composition creates huge setbacks especially in the production of commercial enzymes such as xylanase. Hence, in this study, wheat bran as...

Open access Research Article 10.9734/JABB/2015/18129

Fungal Strain Improvement of Aspergillus brasiliensis for Overproduction of Xylanase in Submerged Fermentation through UV Irradiation and Chemicals Mutagenesis

Hooi Ling Ho & Kuan Fai Ho · Journal of Advances in Biology & Biotechnology · 2015

Aims: One of the major outlooks in biotechnology is to enhance enzymes production using various strains of microorganisms. Filamentous fungi such as Aspergillus brasiliensis has been found to be the most promising strain as it produces extracellular enzymes such as xylanase which...

Open access Research Article 10.9734/JABB/2015/17274

Improvement of Xylanase Production by Bacillus subtilis in Submerged Fermentation after UV and Chemicals Mutagenesis

Hooi Ling Ho & Xing Khai Chor · Journal of Advances in Biology & Biotechnology · 2015

Aims: Bacillus subtilis is one of the most utilized industrial microorganisms for its high capability of producing large amount of extracellular enzymes including xylanase. This extracellular enzyme has been used extensively for many years in food and detergents industry. In rece...

Open access Research Article 10.9734/JABB/2015/16356